Across
- 4. well created by drilling a hole into a confined aquifer
- 5. the land adjacent to water
- 6. area surrounding a metropolitan area with less population density
- 8. period of technological and agricultural growth
- 10. state of having plentiful wealth
- 12. large indoor/outdoor facility to maximize meat output
- 17. largest soil particle
- 18. layer of rock and sediment containing fresh groundwater
- 22. most water efficient irrigation
- 24. element with properties of conductivity
- 25. uniform logging of most or all trees
- 27. agricultural technique the intercrops trees and veggies
- 28. a trench that is flooded with water
- 31. kills/controls pests
- 34. precipitation high in sulfuric/nitric acid
- 35. seasonal field rotations for crops
- 37. pesticide that targets species of insects
- 38. destruction of mountaintops for mining
- 40. gross domestic product
- 41. breakdown of rocks and minerals, either physical/chemical
- 42. of material size between sand and clay
- 43. natural source of aquifer water percolating the ground
- 44. separation of industry and residential areas
- 45. countries with high income and industrialization
- 47. pesticide that targets crop competition
- 50. theory of predictable population growth in countries
Down
- 1. plant cultivation in solution
- 2. dry open grassland
- 3. search of precious material in river sediment
- 7. urbanized areas spreading into rural areas
- 9. smallest soil particle
- 11. similar to a suburb but not connected to a city
- 13. farming aquatic organisms such as fish and seaweed
- 14. soil degradation when salts concentrate on surface soil
- 15. gradual population shift from rural to urban
- 16. occurs with mass used public resources
- 19. commercially harvestable population of fish
- 20. known quantity of a material that can be economically recovered
- 21. concentrated accumulation of minerals
- 23. countries with low income and industrialization
- 26. land dominated by trees
- 29. sprinklers used for irrigation
- 30. measure of how much an individual consumes, in area of land
- 32. physical removal of rock fragments from a landscape
- 33. when soil remains under water for a prolonged time
- 36. unintentional catch of nontarget species when fishing
- 39. mining technique extracting minerals from a pit in the ground
- 43. horizontal layers in soil
- 46. entire field is flooded
- 48. method of mining that removes strips of land
- 49. integrated pest management